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Qualitative and quantitative determination of organic acids in crude herbal drugs and medicinal herbal preparations for quality control in Russian Federation by modern physicochemical methods

Sergunova E.V., Sorokina A.A., Bokov D.O., Marakhova A.I.

organic acids by modern physicochemical methods is a high-priority task. Materials and methods

Влияние биопрепарата инсектицидного действия “Фитоверм” на активность липазы

Дроздова, Н.И., Сорокина, Е.В., Drozdova, N.I., Sorokina, E.V.

titrimetric method

Analytical reactions of organic acid anhydrides with piperidine in acetonitrile

Evtushenko Yu.M., Karpushina N.A., Zaitsev B.E., Ivanov V.M.

for the determination of anhydrides are not indifferent to the latter. This method provides the titrimetric

Титриметрическое определение серебра в высокоминерализованных рассолах

Свириденко, В.Г., Пролесковский, Ю.А., Мечковский, С.А., Пантелеева, С.М.

Optimal conditions of titrimetric determination of microquantities of silver in polycomponent

Development and Validation of HPLC/UV Method for Arbutin Determination in Bearberry Leaves

Nikulin A.V., Okuneva M.V., Goryainov S.V., Potanina O.G.

An HPLC/UV method of arbutin determination in bearberry leaves has been developed, optimum

Titrimetric determination of primary, secondary, and tertiary amino groups in amine epoxy hardeners

Evtushenko Yu.M., Zaitsev B.E., Ivanov V.M., Kozlova O.I., Karpushina N.A.

Titrimetric determination of primary, secondary, and tertiary amino groups in amine epoxy hardeners

Effect of ultrasonic treatment on the sorption properties of the pyrolysis product of sludge

Nasyrov I., Mavrin G., Shaikhiev I., Terentyeva V.

spectrophotometer and iodine by the titrimetric method was studied. An increase in sorption activity after

Development and validation of the quantitative determination procedure of iodine in the iodides form in the kelp thallus by the ionometry method

Nikulin A., Potanina O., Okuneva M., Abramovich R., Bokov D., Smyslova O.

be recommended as an alternative to titrimetric methods existing in the world-leading pharmacopoeias. © 2020

Titrimetric determination of cis-3,6-endomethylene-1,2,3,6-tetrahydrophthalic (endic) anhydride and the impurity of the corresponding acid

Evtushenko Yu.M., Zaitsev B.E., Ivanov V.M., Karpushina N.A.

A titrimetric procedure is proposed for the determination of endic anhydride by its reaction

Sorption properties of pyrolysis products in carbon-containing wastes after “dry” ashing

Nasyrov I., Terentiyeva V., Mavrin G., Fazullin D.

spectrophotometer and iodine by titrimetric method. They studied the sorption properties of pyrolysis products from

Страница 1 из 7573